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Q&A for Bushmaster .450 Bushmaster Upper Assembly w/5-Round Magazine — 5 Questions & 5 Answers

Name Bushmaster .450 Bushmaster Upper Assembly w/5-Round Magazine (4.2)
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Q
MULE, guest, from NM, United States, asked on November 29, 2018

WEIGHT OVER ALL FOR 450UPPER HOW MUCH TOCHANGE A.223 TO450

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on August 09, 2019

This upper receiver weighs 5.22lbs. You should not need to change anything other than the upper to use this on a .223 lower receiver.

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Q
Tall Person, member, from MI, United States, asked on November 29, 2017

What is the thread pitch of the barrel?

Expert Answer
A
Answered by Carly R., Gear Expert, from IL, United States, on December 12, 2017

It is 11/16"-24.

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Q
carson, guest, from TX, United States, asked on November 18, 2017

will this upper fit on a AR15 lower or do you haft to by a certain one?

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A
Answered by KLOSTERMAN, guest, from IA, United States, on November 25, 2017

Yes, it will fit on any standard mil-spec ar15 lower receiver

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Q
Kev, member, from WV, United States, asked on November 16, 2017

does a mag come with it ?

Expert Answer
A
Answered by Carly R., Gear Expert, from IL, United States, on December 11, 2017

Yes, it includes a 5-round .450 specific magazine.

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Q
Bill, guest, from MO, United States, asked on September 29, 2017

Is this a complete upper with bolt, bolt and carrier group?

Expert Answer
A
Answered by Carly R., Gear Expert, from IL, United States, on September 29, 2017

Yes, this is a complete upper assembly including the charging handle and bolt carrier group.

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